Raghunath Nagepalli
Senior Network Engineer
San Ramon,CA
Summary
Professional Senior Network Engineer with extensive experience in designing, implementing, and managing complex network infrastructures for Data Center and Campus networks. Skilled in BGP EVPN VxLAN, AI Networking (DCQCN), Wired and Wireless technologies for Campus, Service Routing for WAN (SD-WAN) and Network Automation. Strong focus on team collaboration and delivering impactful results, with reputation for adaptability and reliability in dynamic environments. Proficient in network design, troubleshooting, and project management, with strategic mindset and commitment to achieving organizational goals.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Network Advanced Services Engineer
Arista Networks
10.2023 - 02.2025
- Successfully designed and deployed complex single and Dual Data Center architectures with BGP EVPN VxLAN, DCI (Data Center Interconnect) for several customers
- Successfully implemented end-to-end digital twin of customer topology in Arista Cloud Test (ACT) for Data Center and Campus network deployments
- Successfully designed and tested the migration of Customer's IP only network to MPLS. Recommended SR-TE, FlexAlgo (Flexible Algorithm) with TWAMP, and TI-LFA
- Successfully designed and tested entire Campus solution for Customers. Deployed wired with 802.1x and Mac based authentication (IoT), Wireless (WiFi 6E/7), and Arista's NAC solution AGNI
- Presented deep dive technical demos to the customers on BGP EVPN VxLAN, AI Networking (PFC, ECN, DLB), ECMP, DCI, Campus solutions (Wired and Wireless), Network automation using AVD (Arista Validated Designs)
- Performed Proof of Concepts, in-depth end-to-end testing, documented full-scope POC with several test cases, provided bug scrubs to recommend Arista's EOS code improvements
- Served as a liaison between Customers and internal Engineering/Development teams, product teams, and TAC (technical Assistant Center) to create RFEs (Request for Enhancements) and/or to address complex technical issues for the Customer
- Presented technical deep-dive of Arista's CloudVision (management/telemetry) to several customers
- Worked as Senior Network Consulting engineer for Customers to help with Arista's products and solutions
Senior Member of Technical Staff
Nutanix Inc.
10.2020 - 08.2023
- As a Lead Network Engineer in IaaS team, designed, deployed, operated and troubleshoot of 24/7 large scale Data Center network (16X16) and to blackhole Infrastructure Builds in Infrastructure as a Service (IaaS) private cloud offering (VPCs) along with high availability, scalability and multi-tenant architecture support
- As an escalation contact, lead Data Center operations, responsible for 24/7 technical support (on-call), network monitoring, network uptime (SLA), troubleshoot and performance root cause analysis, maintain network diagrams, documentation
Network Engineer
Meta
11.2019 - 10.2020
- Terragraph Network Support - Worked as an on-call Network support to operate the Dogfooding testbed Mesh network
- Centralized Network Management Systems - Lead the deployment of Network Engine, a centralized network monitoring solution to monitor 1000 endpoints (Cisco Nexus, Ubiquiti, Arista, Puma nodes using SNMP agents
Senior Network Engineer
Freelancer
07.2015 - 11.2019
- Designed, Operated and troubleshoot of Data Center and Enterprise Networks for multiple sites: Technical expertise: AWS cloud deployment (VPCs, Route53, Transit Gateway, Direct Connect), Nexus vPC, Etherchannel, HSRP/VRRP, MLAG, FabricPath, BGP, OSPF, VRF-lite, EVPN VxLAN, 802.1x, IPSec tunnels, Remote Access VPN
Assistant Manager - Networks
FIS
09.2009 - 07.2015
- Managed and Operated FIS Enterprise wired and wireless Network infrastructure with 24/7 Operations. Extensive troubleshoot experience of LAN/WAN/Wireless infrastructure & Network Security. Lead the entire site as a Network Manager and go-to technical resource for all network related issues
Principal Infrastructure Engineer
Mphasis
02.2009 - 09.2009
- Data Center network migration and deployment of EDS (Electronic Data Systems) Network Services to assess Network design of BGP implementation and provided recommendations
Network Operations Specialist
Conduent
12.2005 - 02.2009
- Responsible for 24/7 Global NOC. ITIL process to handle Incident, Change and Problem Management, RCA, SLAs, troubleshoot LAN/WAN/MPLS connectivity, coordination with international Telcos
Education
Bachelor of Engineering - Electronics And Communication Engineering
Kuvempu University
Skills
- Network Protocols and Technologies: TCP/IP stack, BGP, OSPF, STP, RSTP, VLANs, PVLANs, WLANs, WPA2, WPA3, LACP, DNS, ARP, DHCP, IP Multicast, HSRP, VRRP, LAG, MLAG, ESI (Ethernet Switch Interface), ECMP
- Datacenter: Leaf-Spine (LS) architecture, L3LS, L2LS, VRF-lite, BGP EVPN VxLAN, MP-BGP, IRB (symmetric/asymmetric), BGPv6
- Enterprise LAN/WAN: Campus Leaf-Spine design, Wired (Arista's 720XP, 720D, 7050X), Spline, Switch Aggregation
- Service Routing: MPLS, RSVP-TE, SR-TE, FlexAlgo, TWAMP (two-way active measurement protocol), TI-LFA (topology independent loop-free alternate), BGP PIC (Protocol Independent Convergence)
- AI Networking: DCQCN (PFC & ECN), DLB, Selective DLB, Arista's CLB, RoCE, Arista's TH4 400G & TH5 800G (Tomahawk silicon), Arista's 7800R4 (800G Sand platform)
- Arista Products: CloudVision (Telemetry), AGNI (NAC), DMF (Observability), MSS (Multi-Domain Segmentation Services), CV-CUE (Congnitive Unified Edge)
- Platforms: Strata (Trident and Tomahwak), Arista 7050Xs and 7060Xs, Sand device - Arista 7800R3, 7280SRs, 7010TX, Nexus 3K/5K/9K, Cisco Catalyst 9300/9500, 6500, 4500, 3700, Cisco ISR 3900, 4300, Cisco ASR 1001-x, Juniper NetScreen SSG 550M, EX2200, EX3200, EX3300, EX4200
- Wireless: Arista's C-230 (WiFi 6), C-330 & C-360 (WiFi 6E), C-460 (WiFi 7), CV-CUE (Management plane)
- Network Monitoring: Netflow, SNMP, Datadog, Zabbix, LibreNMS, Solarwinds, Nagios, IPAM (NetBox)
- Network Testing and Flow - IXIA, iPerf, IPFIX, sflow, Netflow
- Network Automation and DevOps: Ansible, Arista Validated Designs (AVD), Version Control (Github)
- Network Analysis and tools - tcpdump, wireshark, nmap, Rancid, Lucidchart, Kea, pfSense, Visio, drawio
- AAA: RADIUS, TACACS, EAP-TLS, EAPoL, 8021x, MBA (MAC based authentication)
Certification
CCNA Routing and Switching
Cisco Certified Specialist - Enterprise Core
ITILv3 Foundation & ITIL Service Operations
Personal Information
Title: Network Advanced Services Engineer
Certifications
04-2019
Timeline
Network Advanced Services Engineer
Arista Networks
10.2023 - 02.2025
Senior Member of Technical Staff
Nutanix Inc.
10.2020 - 08.2023
Network Engineer
Meta
11.2019 - 10.2020
Senior Network Engineer
Freelancer
07.2015 - 11.2019
Assistant Manager - Networks
FIS
09.2009 - 07.2015
Principal Infrastructure Engineer
Mphasis
02.2009 - 09.2009
Network Operations Specialist
Conduent
12.2005 - 02.2009
Bachelor of Engineering - Electronics And Communication Engineering
Kuvempu University
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